eyes, ears and mouth Flashcards
(98 cards)
pupillary light reflex ?
: normal constriction of pupils when bright light shines on retina
what is accommodation ?
adaptation of eye for near vision, Accomplished by increasing curvature of lens through movement of ciliary muscles
components include convergence and pupillary constriction
eyes in aging adults?
Lens loses elasticity, becoming hard and glasslike, which decreases ability to change shape to accommodate for near vision
glaucoma is
increased intraocular pressure; chronic open-angle glaucoma is most common type- this one is painful
Age-related macular degeneration (AMD)
breakdown of cells in macula of retina; loss of central vision
what is diabetic retinopathy
Leading cause of blindness in adults ages 25 to 74 years of age
what is the corneal light reflex, what test is performed
Assess parallel alignment of eye axes by shining a light toward the person’s eyes
Note reflection of light on corneas; should be in exactly same spot on each eye
what is nystagmus ?
what is the arcus senilis ?
Blue ring that develops around the eye as we age
What does perrla stand for ?
or Pupils Equal, Round, React to Light, and Accommodation.
fight or flight response, what happens to pupil?
They will be dilated- seen with coccaine consumption
Pinpoint pupils happens when ?
from taking opiods( heroin ext
why is it important to do red reflex ?
if they don’t have this reflex, it is an indicator of cancer
what is setting sun with newborns
sign common; eyes appear to deviate down with white rim of sclera visible over iris
Blephritis
inflammation of the eyelids
chalazion
cyst that doesnt cause irritation
Dacryocystitis
inflamtion in the tear duct ( lacrimal gland
eunequal pupils we worry about
head injury or a bleed in the head
dilated and fixed pupils
Mydriasis
horners syndrome
droopy eyelids
Pterygium
not to worry about unless it effects the pupil
corneal abrasion
hyphema
blood in anterior chamber in the eye, happens with trauma to the eyeball
hypopyon
pus in the anterior chamber of the eye